These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

Hidden beyond a kitschy giant beetle is this remarkably sprawling collection of preserved insects.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

The moving metal works of one troubled artist can still be viewed on his front lawn... for now.